omega-minus particle

[oh-mee-guh-mahy-nuhs, -mey-, oh-meg-uh-]

noun

Physics.

1. a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Ω −

Word History and Origins

Origin of omega-minus particle¹

First recorded in 1960–65

Example Sentences

In 1964, for example, it took no fewer than 33 scientists, operating the large Brookhaven atom smasher, to discover another fleeting bit of matter�the omega-minus particle.

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